/****************************************************************************
**
** This file is part of the KD Reports library.
**
** SPDX-FileCopyrightText: 2007-2021 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
**
** SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDAB-KDReports OR LicenseRef-KDAB-KDReports-US
**
** Licensees holding valid commercial KD Reports licenses may use this file in
** accordance with the KD Reports Commercial License Agreement provided with
** the Software.
**
** Contact info@kdab.com if any conditions of this licensing are not clear to you.
**
****************************************************************************/

#include <QApplication>
#include <TableModel.h>

#include <KDReports>
#include <QDebug>
#include <QPainter>

int main(int argc, char **argv)
{
    QApplication app(argc, argv);

    KDReports::Report report;

    report.setHeaderBodySpacing(10); // mm
    report.setFooterBodySpacing(10); // mm

    //     report.setWatermarkPixmap( QPixmap( ":/kdab.jpg" ) );
    //     report.setWatermarkText( QString::null );

    KDReports::Header &header = report.header(KDReports::OddPages);
    QPixmap kdab(":/kdab_small.jpg");
    // add a border around the pixmap, mostly for debugging
    // QPainter painter( &kdab );
    // painter.drawRect( 0, 0, kdab.width() - 1, kdab.height() - 1 );
    KDReports::ImageElement imageElement(kdab);
    // The image size can be set in mm or in percent of the page width (without margins)
    // imageElement.setWidth( 50 ); // mm
    imageElement.setWidth(40, KDReports::Percent);

    header.addElement(imageElement);
    header.addVariable(KDReports::PageNumber);
    header.addInlineElement(KDReports::TextElement(" / "));
    header.addVariable(KDReports::PageCount);
    header.addInlineElement(KDReports::TextElement(", Date: "));
    header.addVariable(KDReports::TextDate);
    header.addInlineElement(KDReports::TextElement(", Time: "));
    header.addVariable(KDReports::TextTime);

    KDReports::Header &evenPagesHeader = report.header(KDReports::EvenPages);
    evenPagesHeader.addElement(imageElement);
    evenPagesHeader.addInlineElement(KDReports::TextElement("Even pages header: "));
    evenPagesHeader.addVariable(KDReports::PageNumber);
    evenPagesHeader.addInlineElement(KDReports::TextElement(" / "));
    evenPagesHeader.addVariable(KDReports::PageCount);

    KDReports::Footer &footer = report.footer();
    KDReports::TextElement companyAddressElement(QString::fromUtf8("Klarälvdalens Datakonsult AB\nRysktorp\nSE-68392 Hagfors\nSweden"));
    footer.addElement(companyAddressElement, Qt::AlignRight);

    KDReports::TextElement titleElement;
    titleElement << "Price list example";
    titleElement.setPointSize(18);
    report.addElement(titleElement, Qt::AlignHCenter);

    report.addVerticalSpacing(10); // 1 cm

    const QColor titleElementColor(204, 204, 255);

    // A text element with the title above a table
    // Note that the background color is not just behind the text (as setBackground() would do),
    // but behind the whole paragraph, up until the right margin of the page.
    KDReports::TextElement tableTitleElement("Network Peripherals");
    tableTitleElement.setBold(true);
    report.addElement(tableTitleElement, Qt::AlignLeft, titleElementColor);

    TableModel table1;
    table1.setDataHasVerticalHeaders(false);
    table1.loadFromCSV(":/table1");
    // Q_ASSERT( table1.headerData( 0, Qt::Vertical ).toString() == "10/100 Mbps switch" );
    // Q_ASSERT( table1.data( table1.index( 0, 0 ) ).toString() == "Product" );
    KDReports::AutoTableElement autoTableElement1(&table1);
    autoTableElement1.setWidth(100, KDReports::Percent);
    report.addElement(autoTableElement1);

    report.addVerticalSpacing(5);

    // Notice how elements can be copied and modified
    // This way, we use the same font attributes for all title elements
    KDReports::TextElement tableTitleElement2 = tableTitleElement;
    tableTitleElement2.setText("Printer Cartridges");
    report.addElement(tableTitleElement2, Qt::AlignLeft, titleElementColor);

    TableModel table2;
    table2.setDataHasVerticalHeaders(false);
    table2.loadFromCSV(":/table2");
    KDReports::AutoTableElement autoTableElement2(&table2);
    autoTableElement2.setWidth(100, KDReports::Percent);
    report.addElement(autoTableElement2);

    // and again, on the second page
    report.addPageBreak();
    report.addElement(tableTitleElement, Qt::AlignLeft, titleElementColor);
    report.addElement(autoTableElement1);
    report.addVerticalSpacing(5);
    report.addElement(tableTitleElement2, Qt::AlignLeft, titleElementColor);
    report.addElement(autoTableElement2);

    report.addVerticalSpacing(5);

    // ===========================================================================
    // Another kind of table, where the data comes from code and not from a model:
    // ===========================================================================
    KDReports::TableElement tableElement;
    tableElement.setHeaderRowCount(2);
    tableElement.setPadding(3);
    QColor headerColor("#DADADA");
    // Merged header in row 0
    KDReports::Cell &topHeader = tableElement.cell(0, 0);
    topHeader.setColumnSpan(2);
    topHeader.setBackground(headerColor);
    topHeader.addElement(KDReports::TextElement("TableElement example"), Qt::AlignHCenter);

    // Normal header in row 1
    KDReports::Cell &headerCell1 = tableElement.cell(1, 0);
    headerCell1.setBackground(headerColor);
    // This would look better if centered vertically. This feature is only available since
    // Qt-4.3 though (QTextCharFormat::AlignMiddle)
    QPixmap systemPixmap(":/system.png");
    headerCell1.addElement(KDReports::ImageElement(systemPixmap));
    headerCell1.addInlineElement(KDReports::TextElement(" Item"));
    KDReports::Cell &headerCell2 = tableElement.cell(1, 1);
    headerCell2.setBackground(headerColor);
    KDReports::TextElement expected("Expected");
    expected.setItalic(true);
    expected.setBackground(QColor("#999999")); // note that this background only applies to this element
    headerCell2.addElement(expected);
    headerCell2.addInlineElement(KDReports::TextElement(" shipping time"));

    // Data in rows 2 and 3
    tableElement.cell(2, 0).addElement(KDReports::TextElement("Network Peripherals"));
    tableElement.cell(2, 1).addElement(KDReports::TextElement("4 days"));
    tableElement.cell(3, 0).addElement(KDReports::TextElement("Printer Cartridges"));
    tableElement.cell(3, 1).addElement(KDReports::TextElement("3 days"));

    report.addElement(tableElement);

    KDReports::PreviewDialog preview(&report);
    return preview.exec();
}
